package leetcode.D200.T104;

import util.TreeNode;
import util.TreeUtil;

/**
 * @File Info: leetcode -- <E104>
 * @Author: DYZ
 * @Create: 2021-08-20 10:16:13 星期五
 */

class E104 {
    public static void main(String[] args) {
        TreeNode root = TreeUtil.deserialize("[3,9,20,null,null,15,7]");
        System.out.println(new Solution().maxDepth(root));
    }
}
